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发明名称
Perfectionnements à la commande des machines portatives pour le cintrage des tubes
摘要
申请公布号
FR842505(A)
申请公布日期
1939.06.14
申请号
FRD842505
申请日期
1938.08.23
申请人
METIVIER, LANG & CO
发明人
分类号
B21D7/06
主分类号
B21D7/06
代理机构
代理人
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